Maatje Maria was die dogter van Johannes Gijsbert van der Westhuizen en Johanna Maria Smit.
Haar naam kom as Maatje Johanna voor in hulle pa se sterfkennis van 1895:
(https://www.wikitree.com/photo.php/2/2d/Van_der_Westhuizen-1042.jpg)
Kinders:
f. Maria Amelia Catharina, geb. 26/01/1845, ged. 10/04/1848
f. Hendrik Pieter Johannes Jacobus JOOSTE, geb. 16/04/1849, ged. 23/05/1849, Beaufort-Wes.
f. Johannes Gysbert JOOSTE, geb. 25/08/1851, ged. 13/06/1852, Victoria-Wes.
f. Johanna Maria Francina JOOSTE, geb. 09/01/1858, ged. 21/04/1858, Beaufort-Wes.
f. Joseph Philippus JOOSTE, geb. 25/12/1859, ged. 08/04/1860, Beaufort-Wes.
f. Hendrik Pieter Johannes Jacobus JOOSTE, geb. 16/04/1849, ged. 23/05/1849, Beaufort-Wes.
f. Johannes Gysbert JOOSTE, geb. 25/08/1851, ged. 13/06/1852, Victoria-Wes.
f. Johanna Maria Francina JOOSTE, geb. 09/01/1858, ged. 21/04/1858, Beaufort-Wes.
f. Joseph Philippus JOOSTE, geb. 25/12/1859, ged. 08/04/1860, Beaufort-Wes.
f. Maatje Maria Aletta JOOSTE, geb. 01/05/1868, ged.
04/10/1868, Beaufort-Wes.